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Why are trailing commas allowed in a list?
I am curious why in Python a trailing comma in a list is valid syntax, and it seems that Python simply ignores it:
5 Answer...
Encoding an image file with base64
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With python 2.x, you can trivially encode using .encode:
with open("path/to/file.png", "rb") as f:
data = f.read()
print data.encode("base64")
s...
Numpy array dimensions
I'm currently trying to learn Numpy and Python. Given the following array:
8 Answers
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How do I disable “missing docstring” warnings at a file-level in Pylint?
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It is nice for a Python module to have a docstring, explaining what the module does, what it provides, examples of how to use the classes. This is different from the comments that you often see at the beginning of a file giving the copyright ...
Extract file name from path, no matter what the os/path format
Which Python library can I use to extract filenames from paths, no matter what the operating system or path format could be?
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Resetting a setTimeout
...a Timeout object. In a NodeJS context it does.
– Ki Jéy
Jul 14 '18 at 16:24
add a comment
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Does pandas iterrows have performance issues?
...pply
a) reductions that can be performed in cython
b) iteration in python space
4) itertuples
5) iterrows
6) updating an empty frame (e.g. using loc one-row-at-a-time)
Using a custom Cython routine is usually too complicated, so let's skip that for now.
1) Vectorization is ALWAYS, ALWAYS ...
A weighted version of random.choice
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Since Python 3.6 there is a method choices from the random module.
Python 3.6.1 (v3.6.1:69c0db5050, Mar 21 2017, 01:21:04)
Type 'copyright', 'credits' or 'license' for more information
IPython 6.0.0 -- An enhanced Interactive Pytho...
How can I open the interactive matplotlib window in IPython notebook?
I am using IPython with --pylab=inline and would sometimes like to quickly switch to the interactive, zoomable matplotlib GUI for viewing plots (the one that pops up when you plot something in a terminal Python console). How could I do that? Preferably without leaving or restarting my notebook.
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CSS selector for “foo that contains bar”? [duplicate]
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@Mészáros Lajos CSS does not depend on SCSS, they have no obligation to do that. I'd rather see CSS become robust enough to render LESS/SCSS obsolete actually, regardless of which syntax is chosen.
– Jos...